对四元数法和等效转动矢量法的滚转弹姿态解算精度进行比较，并通过打击机动目标的仿真试验验证了姿态解算精度对制导精度的影响。
This paper introduces the principle of fiber optic gyro, studies the attitude algorithm of fiber optic gyro ship attitude system, introduces the quaternion algorithm and rotation vector algorithm.
讨论了等效转动矢量法及其衍生的一系列修正算法和优化算法，并作了精度分析和数字仿真，并对根据角增量提取角速率的方法进行了研究和验证。
It is discussed that the optimized attitude algorithms and corrected attitude algorithms which are derived from the former. Then those are analyzed and emulated in Matlab.
速度矢量表现出顺时针涡旋转动。
为了方便描述曲梁横截面的有限转动，引入了转角伪矢量的概念。
A rotational pseudovector is introduced for conveniently describing the finite rotations of cross-sections.
这种风矢量传感器具有体积小、无转动部件、强度高、易维护的优点。
There is no moving parts in the sensor. It is small, hard, and easy to maintain.
这种风矢量传感器具有体积小、无转动部件、强度高、易维护的优点。
There is no moving parts in the sensor. It is small, hard, and easy to maintain.
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